Cymadusa chalongana Peart, 2002

(Fig. 15)

Cymadusa chalongana Peart, 2002: 240, figs 9–12.

Type locality. Beach southwest of Cape Panwa, Chalong Bay, Phuket Island, Thailand, Andaman Sea (7°45’N 98°24’E).

Material examined. Queensland: Male, dissected, 3 slides, AM P.80646, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; male, dissected, 1 slide, AM P.90128, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; many specimens, AM P.80652, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; 1 specimen, AM P.80647, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; 1 specimen, AM P.80650, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; 3 specimens, AM P.80648, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; 5 specimens, AM P.80649, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; many specimens, AM P.80653, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; many specimens, AM P.80654, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; many specimens, AM P.80655, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; many specimens, AM P.80656, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; many specimens, AM P.80651, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak; 2 specimens, AM P.80645, Cockle Bay, Magnetic Island (19°11’S 146°49’E), depth unknown, seagrass Cymodocea serrulata, Halodule uninervis and Halophila ovalis, 17 February 1999, coll. D.W. Klumpp and S.N. Kwak.

Northern Territory: Male, 12.0 mm, dissected, 4 slides, MAGNT Cr017893, west side of Field Island, Kakadu National Park (12°5’41”S 132°19’53”E), 25 November 2004; 7 specimens, MAGNT Cr017892, west side of Field Island, Kakadu National Park (12°5’41”S 132°19’53”E), 25 November 2004; male, 11.0 mm, dissected, 4 slides, MAGNT Cr017891, aquaculture pond, Northern Territory University, Darwin, in pond with Trochus shells, 18 November 1993, coll. C. Lee; 6 specimens, MAGNT Cr 010880, Aquaculture ponds, Northern Territory University, Darwin, in pond with Trochus shells, 18 November 1993, coll. C. Lee.

Western Australia: 1 specimen, WAM C46500, Long Reef, The Kimberley (13°49’11”S 125°46’48”E), intertidal, 23 October 2010, coll. Lee Paterson (45/K10-T2, Woodside Kimberley Survey 2010); 1 specimen, WAM C46501, Long Reef, The Kimberley (13°53’20”S 125°45’3”E), intertidal, 20 October 2010, coll. Lee Paterson (45/ K10-Q,1Woodside Kimberley Survey); 1 specimen, WAM C52226, Cassini Island, The Kimberley (13°56’1”S 125°37’8”E), intertidal, 25 October 2010, coll. Skipton Wooley (59/K10-Adhoc, Woodside Kimberley Survey 2010); 2 specimens, WAM C25830, Hauy Island, Dampier Archipelago (25°25’43”S 116°57’34”E), low relief limestone pavement with shallow sand gullies, few loose rocks, very little hard coral cover, 19 October 1998, coll. M. Hewitt and party (DA 1/98/6).

Remarks. Specimens collected as part of an ecological study by Klumpp & Kwak (2005) originally cited as Ampithoe sp. and Ampithoe ? caddi are re-identified here as juvenile and adult male growth stages of C. chalongana .

Distribution. Thailand: Phuket Island (Peart 2002). Australia. Queensland: Magnetic Island (current study). Northern Territory: Field Island, Darwin (current Study). Western Australia: The Kimberley, Dampier Archipelago (current study).